3766720572 has 36 divisors (see below), whose sum is σ = 9610427736. Its totient is φ = 1243837920.

The previous prime is 3766720541. The next prime is 3766720597. The reversal of 3766720572 is 2750276673.

3766720572 is a `hidden beast` number, since 3 + 7 + 6 + 6 + 72 + 0 + 572 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485079 + ... + 492782.

It is an arithmetic number, because the mean of its divisors is an integer number (266956326).

Almost surely, 2^3766720572 is an apocalyptic number.

It is an amenable number.

3766720572 is an abundant number, since it is smaller than the sum of its proper divisors (5843707164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3766720572 is a wasteful number, since it uses less digits than its factorization.

3766720572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977978 (or 977973 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The square root of 3766720572 is about 61373.6146238756. The cubic root of 3766720572 is about 1555.9219274957.

The spelling of 3766720572 in words is "three billion, seven hundred sixty-six million, seven hundred twenty thousand, five hundred seventy-two".